Long Covid Smell Taste 

Brain Stem Hippocampus

Piriform Cortex Piriform Cortex Anterior Temporal Lobe Thalamus

Acetylcholine

Acetylcholine Transferase

Adenylyl Cyclase

Calbindin CB

Calretinin CR

Cholinergic Neurons

Cyclic AMP (cAMP)

Endocannabinoids

GABAergic Periglomerular Cells Type 1

GABAergic Periglomerular Cell Type 2

GNAL Guanine Nucleotide-Binding Protein G(olf) Subunit Alpha

GNAS Guanine Nucleotide Binding Protein, Alpha Stimulating Activity Polypeptide Hypoxia Inducible Factors (HIF)

Hypoxia/Cell

Hypoxia/Tissue

MicroRNA

Microtubules

Phospholipase Pathways

Purines

Pyrophosphate

Tyrosine Hydroxylase TH

Dopamine Pathway/Metabolism

GABA Pathway/Metabolism

Serotonin Pathway/Metabolism

Glutamate Pathway/Metabolism

Glutamine Pathway/Metabolism

Chorda Tympani Nerve

Cyclic Nucleotide, cNMP

Edinger-Westphal Nucleus

Geniculate Ganglion

Glossopharyngeal Nerve

Gusductin

Gustatory Cortex

Gustatory Neurons

Lingual Nerve

Otopetrin 1 OTOP1

Phosphodiesterase

Solitary Tract Nucleus

Transduction Pathway

Taste Buds

Taste Receptors

Metabotropic Glutamate Receptor (mGluR4)

PKD2L1 Receptor

T1R2 Receptor

T1R3 Receptor

T2R Receptors

TRPA1 Receptor

TRPM8 Receptor

TRPV1 Receptor

Metalloproteins

Copper

Magnesium

Manganese

Zinc